08U90KZSupplement Left Cornea with Nonautologous Tissue Substitute, Open Approach

ICD-10-PCS 08U90KZ
CMS Source: FY 2027 ICD-10-PCS dataset. Effective Oct 1, 2026 – Sep 30, 2027.FacebookXLinkedInPrint

08U90KZ is a billable ICD-10-PCS procedure code for Supplement Left Cornea with Nonautologous Tissue Substitute, Open Approach. It is valid on HIPAA claims for fiscal year 2027 (October 1, 2026 through September 30, 2027) and groups to 8 MS-DRGs. The root operation Supplement involves putting in or on biological or synthetic material that physically reinforces and/or augments the function of a portion of a body part. Medicare may not cover this procedure; review the non-covered procedure codes edit. In AHRQ's Clinical Classifications Software (CCSR), this procedure falls under Eye procedures.

Code Identity

ICD-10-PCS Code
08U90KZ
Billable Status
Yes — Valid for Submission
Code Describes
Supplement Left Cornea with Nonautologous Tissue Substitute, Open Approach
Short Description
Supplement Left Cornea with Nonaut Sub, Open Approach
Parent Code
Medicare Coverage
Coverage alert — see Code Edits

PCS Table Breakdown

Each ICD-10-PCS code is built from seven characters, each an axis of the procedure. Hover or tap the icons for the official CMS definitions.

PositionDesignationValueMeaning
1Section0Medical and Surgical
2Body System8Eye
3OperationUSupplement
4BodyPart9Cornea, Left
5Approach0Open
6DeviceKNonautologous Tissue Substitute
7QualifierZNo Qualifier

In the ICD-10-PCS Alphabetic Index

These FY 2027 ICD-10-PCS Alphabetic Index entries lead to this code:

Supplement, Cornea, Left
Leads to this code's table
Buckling, scleral with implant
Leads to this code's table

To code supplement of the left cornea, open the FY 2027 ICD-10-PCS Alphabetic Index at Supplement, then the subterms Cornea, Left. The index leads to table 08U, where the approach, device and qualifier values shown in the breakdown above complete the seven-character code 08U90KZ.

Browse the full ICD-10-PCS Alphabetic Index →

Medicare Code Edits

Medicare Code Editor checks that affect claim validity for this code.

The procedures codes identified here are always non-covered procedures.

Clinical Classification (CCSR)

AHRQ groups this procedure code into these clinical categories.

EYP001
Eye procedures
Clinical domain: Eye Procedures

Convert to ICD-9-PCS

Closest ICD-9-PCS equivalents for this code under the General Equivalence Mappings.

11.64
Other penetrating keratoplasty
Approximate match.

Similar Procedure Codes

Questions About 08U90KZ

Is 08U90KZ a billable code?

Yes. This is a complete seven-character ICD-10-PCS code, specific enough to report Supplement Left Cornea with Nonautologous Tissue Substitute, Open Approach on inpatient claims from October 1, 2026 through September 30, 2027.

What do the characters in 08U90KZ mean?

The code breaks down character by character: the 1st character 0 is the Section (Medical and Surgical); the 2nd character 8 is the Body System (Eye); the 3rd character U is the Operation (Supplement); the 4th character 9 is the BodyPart (Cornea, Left); the 5th character 0 is the Approach (Open); the 6th character K is the Device (Nonautologous Tissue Substitute); the 7th character Z is the Qualifier (No Qualifier).

What MS-DRG does 08U90KZ group to?

On an inpatient stay, Supplement Left Cornea with Nonautologous Tissue Substitute, Open Approach maps to MS-DRGs 116, 117, 907, 908, 909, 957, 958, 959, with relative weights from 1.0615 to 7.5502. The MS-DRG sets the fixed Medicare payment for the stay.

Is 08U90KZ covered by Medicare?

Review coverage carefully. The Medicare Code Editor applies a non-covered procedure codes edit to this code, which can affect payment for Supplement Left Cornea with Nonautologous Tissue Substitute, Open Approach.

What is the ICD-9-PCS equivalent of 08U90KZ?

Under the General Equivalence Mappings, Supplement Left Cornea with Nonautologous Tissue Substitute, Open Approach crosswalks to ICD-9-PCS 11.64 (Other penetrating keratoplasty). The mapping is approximate, so confirm it fits the documentation.